Lindsey Optics Brilliant² Circular Polarizer 1 Stop 138mm

The 138mm Brilliant² circular polarizer delivers a 1‑stop light reduction with a generous 5.2‑inch clear aperture, perfect for wide‑angle and telephoto lenses. Its all‑aluminum geared tray and Delrin™ rollers provide smooth, no‑slip rotation, operable by hand or motor. Designed to fit 4x5.65″ matte boxes, it offers quick installation and reliable performance on set.

Material	Aluminum gear with Delrin™ rollers
Aperture Diameter	138mm
Clear Aperture	5.2 inches
Light Reduction	1 Stop (38% transmission)
Compatibility	4x5.65" matte boxes
Rotation	Manual or motor (¼‑20 thread)
Gear Pitch	0.8